The amount of water collected in a reservoir is divided into three portions and the order of their existance from bottom to the top is

Related MCQs

• The self cleaning velocity, recommended for Indian conditions, in order to prevent settling down of seqage at the bottom or on the sides of a large sewer is
• The organic impurities in water form a layer on the top of a filtering media. Such a layer is called
• The method in which different types of refuse are collected, carried and disposed off separately is called
• The process of adding certain chemicals to water in order to form flocculent precipitate for absorbing and entraining colloidal mater is called sedimentation with coagulation.
• The amount of residual chlorine in treated water is determined by the
• The amount of chlorine used for plain chlorination of water is about
• The presence of calcium and magnesium bi-carbonates in water causes hardness in the water.
• The sanitation system in which a small portion of storm water is allowed to enter in the sanitary sewage sewers and the remaining storm water flows in separate set of sewers, is known as
• In order to control the flow of water through pipes, a
• In order to prevent water to flow back in opposite direction, we shall use a